energy source

There are critics who disagree with the expenditure on space exploration, which they claim can better be used to solve earthly problems. However, they seem to forget that this is one of the fields which tests a man’s intellect. But, how does a common man draw benefits of space exploration? The advances made in field…

– All electrical devices have an electric circuit, also known as a path for electrons to flow. – All circuits have at least four parts: An energy source (we’ll be using batteries which are also called “cells”). An electric load (an electrical device used to convert electricity to another form of energy. We’ll be using…